Log Message:
pkgsrc chagnes

* install pinger program setuid to make ICMP work; the problem noted by
  Heron Gallegos via private mail.

Key changes squid-2.6.STABLE4 to 2.6.STABLE5

* Bug #1776: 2.6.STABLE4 aufs fails to compile if coss isn't enabled
* COSS improvements and cleanups
* Bug #1785: Memory leak in handling of negatively cached objects
* Bug #1780: Incorrect Vary processing in combination with collapsed_forwarding
* Bug #1779: Delay pools fairness when multiple connections compete for bandwidth
* Bug #1796: Assertion error HttpHeader.c:914: "str"
* All comm loops now use the generic event framework
* a number of other minor and cosmetic bugfixes. See the list of \ 
squid-2.6.STABLE4 changes and the ChangeLog file for details.